749  
ACUS11 KWNS 130234  
SWOMCD  
SPC MCD 130233  
SDZ000-NEZ000-130300-  
 
MESOSCALE DISCUSSION 1048  
NWS STORM PREDICTION CENTER NORMAN OK  
0933 PM CDT THU JUL 12 2018  
 
AREAS AFFECTED...PORTIONS OF NORTHEASTERN NE AND SOUTHEASTERN SD  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 273...  
 
VALID 130233Z - 130300Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 273  
CONTINUES.  
 
SUMMARY...THE SEVERE THREAT WILL CONTINUE TO DIMINISH THIS EVENING,  
AND WW 273 WILL BE ALLOWED TO EXPIRE AS SCHEDULED AT 03Z.  
 
DISCUSSION...ONGOING CONVECTION ACROSS REMAINING VALID PORTIONS OF  
WW 273 IS GENERALLY DISPLACED TO THE NORTH OF A SURFACE FRONT. WHILE  
A VERY ISOLATED STRONG/GUSTY WIND THREAT CANNOT BE COMPLETELY RULED  
OUT FOR THE REMAINDER OF THIS EVENING, THE INCREASINGLY ELEVATED  
NATURE OF THESE THUNDERSTORMS SUGGEST THE OVERALL SEVERE RISK HAS  
DIMINISHED. THESE TRAINING CELLS SUGGEST MORE OF A FLASH FLOODING  
THREAT. FOR MORE INFORMATION ON THE POTENTIAL FOR FLASH FLOODING,  
SEE MESOSCALE PRECIPITATION DISCUSSION 441 FROM THE WEATHER  
PREDICTION CENTER.  
 
..GLEASON.. 07/13/2018  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...FSD...OAX...LBF...  
 
LAT...LON 42149957 42679959 43449868 43729669 42739673 42119832  
42149957  
 
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